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Learn & Master Guitar

SESSION 20 - All The Chords You Need to Know Estimated Time to Learn These Concepts - 2 Weeks

“If I don't practice one day, I know it; two days, the critics know it; three days, the public knows it.” ~ Jascha Heifetz - World Renowned Violinist

Chord Formulas and Abbreviations The notes to any chord can be found by using the appropriate formulas and the major scale from the key of the chord. The chart below lists the formulas and abbreviations for almost every chord that you will ever see. A chord can be built from the major scale notes and the correct formula. For example: If the chord is “Cm7”, the formula is 1-b3-5-b7 and the key is “C”. So, when we plug in the right scale tones, the notes for a “Cm7” are C-Eb-G-Bb. Chord



Triads Major Minor Augmented Diminished

1-3-5 1-b3-5 1-3-#5 1-b3-b5

7ths Major 7th Minor 7th Dominant 7th Augmented 7th Half-Dim. 7th Diminished 7th Other Chords Two Chord Five Chord Suspended Sixth Chord Minor 6th Six-Nine Chord




C, F, G Cm, CCaug, C+ Cdim, C

9ths Major 9th Minor 9th Dominant 9th Augmented 9th

1-3-5-7-9 1-b3-5-b7-9 1-3-5-b7-9 1-3-#5-b7-9

CM9, Cmaj9, C Cm9, CC9, F9 Caug9, C+

1-3-5-7 1-b3-5-b7 1-3-5-b7 1-3-#5-b7 1-b3-b3-b7 5 1-b3-b5-bb7

CM7, Cmaj7, C^7 Cm7, C-7 C7, F7, G7 Caug7, C+7 Chalf-dim7, C 7 Cdim7, C 7

11ths Minor 11th 1-b3-5-b7-9-11 Cmin, Cm11, CDominant 11th 1-3-5-b7-9-11 C11, F11

1-2-3-5 1-5 1-4-5 1-2-5-6 1-b3-5-6 1-3-5-6-9

C2, F2 C5, F5 Csus C6, F6 Cm6 C6/9, C

13ths Major 13th Minor 13th Dominant 13th Augmented 13th

1-3-5-7-9-13 1-b3-5-b7-9-13 1-3-5-b7-9-13 1-3-#5-b7-9-13

Cmaj , C^ Cm13, CC13, C Caug13, C+

Altered Chords ALTERED CHORDS are chords with chord tones that have been adjusted a half step up or down. The note that is to be adjusted is inside a parenthesis. Any alteration only applies to the note that is inside the parenthesis.

1. C7(b9)

Formula: 1 Chord Tones: C

3 E

5 G

b7 Bb

b9 Db

2. F-11(b5,b9)

Formula: 1 Chord Tones: F

b3 Ab

b5 Cb

b7 Eb

b9 Gb



11 Bb

All The Chords You Need to Know


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